XML 49 R38.htm IDEA: XBRL DOCUMENT v3.10.0.1
Intangible assets, net - Schedule of Estimated Amortization Expenses (Detail) - USD ($)
$ in Thousands
Jun. 30, 2018
Dec. 31, 2017
Goodwill And Intangible Assets Disclosure [Abstract]    
Remainder of 2018 $ 6,450  
2019 12,901  
2020 12,246  
2021 9,199  
2022 7,877  
2023 and thereafter 20,055  
Net intangible assets $ 68,728 $ 74,354